| Alastair Forbes Blyth | Director | 14 Nov 2000 | 2 Aug 2004 | British | 68 years |
| Andrew John Campbell | Director | 13 Jul 2000 | 7 Mar 2008 | British | 73 years |
| Brian James Leith | Director | 13 Jul 2000 | 30 Sept 2002 | British | 80 years |
| David Charles Turner | Secretary | 19 Aug 2002 | 1 Jul 2005 | Other | - |
| David George Pople | Director | 2 Aug 2004 | 29 Feb 2008 | British | 75 years |
| Effectorder Limited | Corporate Director | 28 Apr 2000 | 13 Jul 2000 | United Kingdom | - |
| Elizabeth Ann Horlock Clarke | Secretary | 1 Apr 2015 | 22 May 2020 | - | - |
| Etchco (number 6) Limited | Corporate Secretary | 28 Apr 2000 | 13 Jul 2000 | United Kingdom | - |
| Geoffrey Arthur George Shepheard | Secretary | 23 Aug 2004 | 31 Mar 2015 | British | - |
| Jacqueline Elizabeth Fox | Secretary | 14 Feb 2001 | 17 May 2002 | British | - |
| John Morrison | Secretary | 13 Jul 2000 | 14 Jun 2001 | British | - |
| Lesley Ann Wallace | Director | 28 Oct 2002 | 1 Sept 2006 | British | 56 years |
| Mark Robert Thomas Doughty | Director | 25 Jun 2003 | 30 Jun 2004 | British | 58 years |
| Nigel Edmund Pacey | Director | 9 Sept 2010 | 22 May 2020 | British | 69 years |
| Oliver Gordon Dyke | Director | 13 Jul 2000 | 14 Nov 2000 | British | 65 years |
| Seamus Joseph Gillen | Secretary | 17 May 2002 | 19 Aug 2002 | British | - |
